Chemistry
Chemistry, 06.05.2021 19:50, jackievelasquez7881

7 points 4. A student observes some sugar as it is heated and burns. The student
concludes that a chemical reaction has occurred. Which of the following
observations about the burning sugar provides evidence of a chemical
reaction? (8.5E) *
A. heat is added to the sugar crystals
B. the sugar melts and becomes a liquid
C. the temperature of the sugar increases
D. gas is produced as the sugar turns black

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 11:00, pindu
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
image
Chemistry, 22.06.2019 13:50, kelonmazon2492
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
image
Chemistry, 22.06.2019 17:00, brandiwingard
What is the mass of phosphorous in a 51-kg person
Answers: 1
image
Chemistry, 22.06.2019 22:00, choatefarmsus
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
Do you know the correct answer?
7 points 4. A student observes some sugar as it is heated and burns. The student
concludes t...

Questions in other subjects: